The cells at the surface of hydra undergo mitosis and form a mass called a bud. Mitosis continues in the cells of the bud and this grows into a new individual. The same division happens during asexual reproduction or vegetative propagation in plants.
Find out more about the six main symptoms of acoustic neuromas (vestibular schwannomas). The symptoms include hearing loss, tinnitus, vertigo, imbalance, pressure, and facial weakness and numbness. Skip Navigation
Schwannoma, malignant: Introduction. Schwannoma, malignant: A malignant tumor that develops from nerve sheath cells. Any nerve can be affected but it is most common on the sciatic, brachial and sacral plexus (leg, upper arm and lower back nerves). Symptoms are determined by the exact location of the tumor. More detailed information about the symptoms, causes, and treatments of Schwannoma, malignant is available below.